Specific-gravity balance



Sept. 27,1927. 1,643,343

. T. F. MANNS SPECIFIC GRAVITY BALANCE Filed Oct. 2, 1925 2 a 4 5 s 1 g s lo n, Iz ps p5 ne 'SE'GRAW for HOTnd TOmOTG l "02 [mls l Im?? i l rml5 l l PM? 'l "MI5 "o5 FAIIIIW! will lllfllllllllll Ill--I Patented Sept. 27, 1927.

UNITED STATES PATENT OFFICE. n

SPECIFIC-GRAVITY BALANCE.

Application led October This invention is a new and improved specific gravity balance for obtaining accurate and dependable readings of specific gravities of boiling and cold solutions, both heavier and lighter than water, being particularly adapted for quick readings ot specie gravities of rapidly boiling tomato pulp, while being reduced to tomato pure by copper coils containing 50 to 125 lbs.

of steam pressure, a particularly diflicult task because oic the turbulent boiling and the rapid change or reduction in temperature during sampling. The following is a full. clear. and exact description.

This invention relates to an improved balance for reading directly the specific gravities 'of boiling and cold (at 20 C.) tomato pulp, catsup, tomato paste or other boiling` or cold solutions. The invention. which is new is a beam (see Fig. 1) so ,graduated and standardized on the lower part to read the specific gravities of both boiling and cold (at 200 C.) solutions, when same is properly sampled in a 500 ml. volumetric flask and counterbalanced by proper weights; the upper part of the beam is graduated and standardized to read grams, thus aiding the manufacturer to more quick- 2, 1925. serieu No. 60,110.

ly standardize the balance. The balance which is furnished with a compensating weight to counterbalance the special 500 ml. volumetric flask, is so standardized and graduated on this improved beam, as to require, for specific gravities of boiling pulp from 1.025 to 1.045, an initial weight of 4392.5 grams, and for cold pulp at 20o C. for the same range of specific gravities the 492.5 gram weight and a 19.5 gram weight. Other specific gravities of boiling or cold solutionsmay be graduated on a similar improved beam and balance, by adding or deducting to the weights to offset such specific gravities.

Having fully described my invention what I claim as new is:

A beam, for readingy the specific gravities of boiling or cold solutions, having graduations on its upper side representing grams and graduations on its lower side representing specific gravity, adapted for reading vtomato pulp, catsup or any solution sampled while boiling or cold in a suitable iask (a 500 ml.) and counterbalanced by proper weights.

In testimony whereof I affix mv signature.

THOMAS FRANKLIN MANNS. 

